In what has arguably become her most iconic Christmas look, Diana wore a red double-breasted coat with a black hat and veil—a look that later inspired one of Kristen Stewart’s ensembles in Spencer.

There's no shortage of fictional pop culture style icons you should let influence your wardrobe, but if you'd like to take fashion inspiration from a real person, look no further than the late ...

Although Princess Diana wasn't immediately considered a fashion icon — her engagement photo outfit was considered frumpy even by 1981 standards — she eventually came into her own. As she matured and ...